Midcontinent ISO Constraint Classification
Transmission
Generation
Both
Unconstrained

Data Centers
Operational
Proposed
Construction

Transmission Lines
765 kV+
500 kV
345 kV
230 kV

Pnode Severity Tier
Critical (≥0.75)
Elevated (≥0.50)
Moderate (≥0.25)
Low (<0.25)

Marker size = severity score